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60f78052 | 1 | /*************************************************************************** |
7e3a0660 | 2 | * Plug-in for PAS202BCB image sensor connected to the ZC0301 Image * |
60f78052 LR |
3 | * Processor and Control Chip * |
4 | * * | |
7e3a0660 | 5 | * Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it> * |
60f78052 | 6 | * * |
0230185d | 7 | * Initialization values of the ZC0301[P] have been taken from the SPCA5XX * |
60f78052 LR |
8 | * driver maintained by Michel Xhaard <mxhaard@magic.fr> * |
9 | * * | |
10 | * This program is free software; you can redistribute it and/or modify * | |
11 | * it under the terms of the GNU General Public License as published by * | |
12 | * the Free Software Foundation; either version 2 of the License, or * | |
13 | * (at your option) any later version. * | |
14 | * * | |
15 | * This program is distributed in the hope that it will be useful, * | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
18 | * GNU General Public License for more details. * | |
19 | * * | |
20 | * You should have received a copy of the GNU General Public License * | |
21 | * along with this program; if not, write to the Free Software * | |
22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * | |
23 | ***************************************************************************/ | |
24 | ||
a8474239 LR |
25 | /* |
26 | NOTE: Sensor controls are disabled for now, becouse changing them while | |
d56410e0 MCC |
27 | streaming sometimes results in out-of-sync video frames. We'll use |
28 | the default initialization, until we know how to stop and start video | |
29 | in the chip. However, the image quality still looks good under various | |
30 | light conditions. | |
a8474239 LR |
31 | */ |
32 | ||
60f78052 LR |
33 | #include <linux/delay.h> |
34 | #include "zc0301_sensor.h" | |
35 | ||
36 | ||
37 | static struct zc0301_sensor pas202bcb; | |
38 | ||
39 | ||
40 | static int pas202bcb_init(struct zc0301_device* cam) | |
41 | { | |
42 | int err = 0; | |
43 | ||
44 | err += zc0301_write_reg(cam, 0x0002, 0x00); | |
45 | err += zc0301_write_reg(cam, 0x0003, 0x02); | |
46 | err += zc0301_write_reg(cam, 0x0004, 0x80); | |
47 | err += zc0301_write_reg(cam, 0x0005, 0x01); | |
48 | err += zc0301_write_reg(cam, 0x0006, 0xE0); | |
49 | err += zc0301_write_reg(cam, 0x0098, 0x00); | |
50 | err += zc0301_write_reg(cam, 0x009A, 0x03); | |
51 | err += zc0301_write_reg(cam, 0x011A, 0x00); | |
52 | err += zc0301_write_reg(cam, 0x011C, 0x03); | |
53 | err += zc0301_write_reg(cam, 0x009B, 0x01); | |
54 | err += zc0301_write_reg(cam, 0x009C, 0xE6); | |
55 | err += zc0301_write_reg(cam, 0x009D, 0x02); | |
56 | err += zc0301_write_reg(cam, 0x009E, 0x86); | |
57 | ||
58 | err += zc0301_i2c_write(cam, 0x02, 0x02); | |
59 | err += zc0301_i2c_write(cam, 0x0A, 0x01); | |
60 | err += zc0301_i2c_write(cam, 0x0B, 0x01); | |
61 | err += zc0301_i2c_write(cam, 0x0D, 0x00); | |
62 | err += zc0301_i2c_write(cam, 0x12, 0x05); | |
63 | err += zc0301_i2c_write(cam, 0x13, 0x63); | |
64 | err += zc0301_i2c_write(cam, 0x15, 0x70); | |
65 | ||
66 | err += zc0301_write_reg(cam, 0x0101, 0xB7); | |
67 | err += zc0301_write_reg(cam, 0x0100, 0x0D); | |
68 | err += zc0301_write_reg(cam, 0x0189, 0x06); | |
69 | err += zc0301_write_reg(cam, 0x01AD, 0x00); | |
70 | err += zc0301_write_reg(cam, 0x01C5, 0x03); | |
71 | err += zc0301_write_reg(cam, 0x01CB, 0x13); | |
72 | err += zc0301_write_reg(cam, 0x0250, 0x08); | |
73 | err += zc0301_write_reg(cam, 0x0301, 0x08); | |
74 | err += zc0301_write_reg(cam, 0x018D, 0x70); | |
75 | err += zc0301_write_reg(cam, 0x0008, 0x03); | |
76 | err += zc0301_write_reg(cam, 0x01C6, 0x04); | |
77 | err += zc0301_write_reg(cam, 0x01CB, 0x07); | |
78 | err += zc0301_write_reg(cam, 0x0120, 0x11); | |
79 | err += zc0301_write_reg(cam, 0x0121, 0x37); | |
80 | err += zc0301_write_reg(cam, 0x0122, 0x58); | |
81 | err += zc0301_write_reg(cam, 0x0123, 0x79); | |
82 | err += zc0301_write_reg(cam, 0x0124, 0x91); | |
83 | err += zc0301_write_reg(cam, 0x0125, 0xA6); | |
84 | err += zc0301_write_reg(cam, 0x0126, 0xB8); | |
85 | err += zc0301_write_reg(cam, 0x0127, 0xC7); | |
86 | err += zc0301_write_reg(cam, 0x0128, 0xD3); | |
87 | err += zc0301_write_reg(cam, 0x0129, 0xDE); | |
88 | err += zc0301_write_reg(cam, 0x012A, 0xE6); | |
89 | err += zc0301_write_reg(cam, 0x012B, 0xED); | |
90 | err += zc0301_write_reg(cam, 0x012C, 0xF3); | |
91 | err += zc0301_write_reg(cam, 0x012D, 0xF8); | |
92 | err += zc0301_write_reg(cam, 0x012E, 0xFB); | |
93 | err += zc0301_write_reg(cam, 0x012F, 0xFF); | |
94 | err += zc0301_write_reg(cam, 0x0130, 0x26); | |
95 | err += zc0301_write_reg(cam, 0x0131, 0x23); | |
96 | err += zc0301_write_reg(cam, 0x0132, 0x20); | |
97 | err += zc0301_write_reg(cam, 0x0133, 0x1C); | |
98 | err += zc0301_write_reg(cam, 0x0134, 0x16); | |
99 | err += zc0301_write_reg(cam, 0x0135, 0x13); | |
100 | err += zc0301_write_reg(cam, 0x0136, 0x10); | |
101 | err += zc0301_write_reg(cam, 0x0137, 0x0D); | |
102 | err += zc0301_write_reg(cam, 0x0138, 0x0B); | |
103 | err += zc0301_write_reg(cam, 0x0139, 0x09); | |
104 | err += zc0301_write_reg(cam, 0x013A, 0x07); | |
105 | err += zc0301_write_reg(cam, 0x013B, 0x06); | |
106 | err += zc0301_write_reg(cam, 0x013C, 0x05); | |
107 | err += zc0301_write_reg(cam, 0x013D, 0x04); | |
108 | err += zc0301_write_reg(cam, 0x013E, 0x03); | |
109 | err += zc0301_write_reg(cam, 0x013F, 0x02); | |
110 | err += zc0301_write_reg(cam, 0x010A, 0x4C); | |
111 | err += zc0301_write_reg(cam, 0x010B, 0xF5); | |
112 | err += zc0301_write_reg(cam, 0x010C, 0xFF); | |
113 | err += zc0301_write_reg(cam, 0x010D, 0xF9); | |
114 | err += zc0301_write_reg(cam, 0x010E, 0x51); | |
115 | err += zc0301_write_reg(cam, 0x010F, 0xF5); | |
116 | err += zc0301_write_reg(cam, 0x0110, 0xFB); | |
117 | err += zc0301_write_reg(cam, 0x0111, 0xED); | |
118 | err += zc0301_write_reg(cam, 0x0112, 0x5F); | |
119 | err += zc0301_write_reg(cam, 0x0180, 0x00); | |
120 | err += zc0301_write_reg(cam, 0x0019, 0x00); | |
121 | err += zc0301_write_reg(cam, 0x0087, 0x20); | |
122 | err += zc0301_write_reg(cam, 0x0088, 0x21); | |
123 | ||
124 | err += zc0301_i2c_write(cam, 0x20, 0x02); | |
125 | err += zc0301_i2c_write(cam, 0x21, 0x1B); | |
126 | err += zc0301_i2c_write(cam, 0x03, 0x44); | |
127 | err += zc0301_i2c_write(cam, 0x0E, 0x01); | |
128 | err += zc0301_i2c_write(cam, 0x0F, 0x00); | |
129 | ||
130 | err += zc0301_write_reg(cam, 0x01A9, 0x14); | |
131 | err += zc0301_write_reg(cam, 0x01AA, 0x24); | |
132 | err += zc0301_write_reg(cam, 0x0190, 0x00); | |
133 | err += zc0301_write_reg(cam, 0x0191, 0x02); | |
134 | err += zc0301_write_reg(cam, 0x0192, 0x1B); | |
135 | err += zc0301_write_reg(cam, 0x0195, 0x00); | |
136 | err += zc0301_write_reg(cam, 0x0196, 0x00); | |
137 | err += zc0301_write_reg(cam, 0x0197, 0x4D); | |
138 | err += zc0301_write_reg(cam, 0x018C, 0x10); | |
139 | err += zc0301_write_reg(cam, 0x018F, 0x20); | |
140 | err += zc0301_write_reg(cam, 0x001D, 0x44); | |
141 | err += zc0301_write_reg(cam, 0x001E, 0x6F); | |
142 | err += zc0301_write_reg(cam, 0x001F, 0xAD); | |
143 | err += zc0301_write_reg(cam, 0x0020, 0xEB); | |
144 | err += zc0301_write_reg(cam, 0x0087, 0x0F); | |
145 | err += zc0301_write_reg(cam, 0x0088, 0x0E); | |
146 | err += zc0301_write_reg(cam, 0x0180, 0x40); | |
147 | err += zc0301_write_reg(cam, 0x0192, 0x1B); | |
148 | err += zc0301_write_reg(cam, 0x0191, 0x02); | |
149 | err += zc0301_write_reg(cam, 0x0190, 0x00); | |
150 | err += zc0301_write_reg(cam, 0x0116, 0x1D); | |
151 | err += zc0301_write_reg(cam, 0x0117, 0x40); | |
152 | err += zc0301_write_reg(cam, 0x0118, 0x99); | |
153 | err += zc0301_write_reg(cam, 0x0180, 0x42); | |
154 | err += zc0301_write_reg(cam, 0x0116, 0x1D); | |
155 | err += zc0301_write_reg(cam, 0x0117, 0x40); | |
156 | err += zc0301_write_reg(cam, 0x0118, 0x99); | |
157 | err += zc0301_write_reg(cam, 0x0007, 0x00); | |
158 | ||
159 | err += zc0301_i2c_write(cam, 0x11, 0x01); | |
160 | ||
161 | msleep(100); | |
162 | ||
163 | return err; | |
164 | } | |
165 | ||
166 | ||
167 | static int pas202bcb_get_ctrl(struct zc0301_device* cam, | |
d56410e0 | 168 | struct v4l2_control* ctrl) |
60f78052 LR |
169 | { |
170 | switch (ctrl->id) { | |
171 | case V4L2_CID_EXPOSURE: | |
172 | { | |
173 | int r1 = zc0301_i2c_read(cam, 0x04, 1), | |
174 | r2 = zc0301_i2c_read(cam, 0x05, 1); | |
175 | if (r1 < 0 || r2 < 0) | |
176 | return -EIO; | |
177 | ctrl->value = (r1 << 6) | (r2 & 0x3f); | |
178 | } | |
179 | return 0; | |
180 | case V4L2_CID_RED_BALANCE: | |
181 | if ((ctrl->value = zc0301_i2c_read(cam, 0x09, 1)) < 0) | |
182 | return -EIO; | |
183 | ctrl->value &= 0x0f; | |
184 | return 0; | |
185 | case V4L2_CID_BLUE_BALANCE: | |
186 | if ((ctrl->value = zc0301_i2c_read(cam, 0x07, 1)) < 0) | |
187 | return -EIO; | |
188 | ctrl->value &= 0x0f; | |
189 | return 0; | |
190 | case V4L2_CID_GAIN: | |
191 | if ((ctrl->value = zc0301_i2c_read(cam, 0x10, 1)) < 0) | |
192 | return -EIO; | |
193 | ctrl->value &= 0x1f; | |
194 | return 0; | |
195 | case ZC0301_V4L2_CID_GREEN_BALANCE: | |
196 | if ((ctrl->value = zc0301_i2c_read(cam, 0x08, 1)) < 0) | |
197 | return -EIO; | |
198 | ctrl->value &= 0x0f; | |
199 | return 0; | |
200 | case ZC0301_V4L2_CID_DAC_MAGNITUDE: | |
201 | if ((ctrl->value = zc0301_i2c_read(cam, 0x0c, 1)) < 0) | |
202 | return -EIO; | |
203 | return 0; | |
204 | default: | |
205 | return -EINVAL; | |
206 | } | |
207 | } | |
208 | ||
209 | ||
210 | static int pas202bcb_set_ctrl(struct zc0301_device* cam, | |
d56410e0 | 211 | const struct v4l2_control* ctrl) |
60f78052 LR |
212 | { |
213 | int err = 0; | |
214 | ||
215 | switch (ctrl->id) { | |
216 | case V4L2_CID_EXPOSURE: | |
217 | err += zc0301_i2c_write(cam, 0x04, ctrl->value >> 6); | |
218 | err += zc0301_i2c_write(cam, 0x05, ctrl->value & 0x3f); | |
219 | break; | |
220 | case V4L2_CID_RED_BALANCE: | |
221 | err += zc0301_i2c_write(cam, 0x09, ctrl->value); | |
222 | break; | |
223 | case V4L2_CID_BLUE_BALANCE: | |
224 | err += zc0301_i2c_write(cam, 0x07, ctrl->value); | |
225 | break; | |
226 | case V4L2_CID_GAIN: | |
227 | err += zc0301_i2c_write(cam, 0x10, ctrl->value); | |
228 | break; | |
229 | case ZC0301_V4L2_CID_GREEN_BALANCE: | |
230 | err += zc0301_i2c_write(cam, 0x08, ctrl->value); | |
231 | break; | |
232 | case ZC0301_V4L2_CID_DAC_MAGNITUDE: | |
233 | err += zc0301_i2c_write(cam, 0x0c, ctrl->value); | |
234 | break; | |
235 | default: | |
236 | return -EINVAL; | |
237 | } | |
238 | err += zc0301_i2c_write(cam, 0x11, 0x01); | |
239 | ||
240 | return err ? -EIO : 0; | |
241 | } | |
242 | ||
243 | ||
244 | static struct zc0301_sensor pas202bcb = { | |
245 | .name = "PAS202BCB", | |
246 | .init = &pas202bcb_init, | |
247 | .qctrl = { | |
248 | { | |
249 | .id = V4L2_CID_EXPOSURE, | |
250 | .type = V4L2_CTRL_TYPE_INTEGER, | |
251 | .name = "exposure", | |
252 | .minimum = 0x01e5, | |
253 | .maximum = 0x3fff, | |
254 | .step = 0x0001, | |
255 | .default_value = 0x01e5, | |
a8474239 | 256 | .flags = V4L2_CTRL_FLAG_DISABLED, |
60f78052 LR |
257 | }, |
258 | { | |
259 | .id = V4L2_CID_GAIN, | |
260 | .type = V4L2_CTRL_TYPE_INTEGER, | |
261 | .name = "global gain", | |
262 | .minimum = 0x00, | |
263 | .maximum = 0x1f, | |
264 | .step = 0x01, | |
265 | .default_value = 0x0c, | |
a8474239 LR |
266 | .flags = V4L2_CTRL_FLAG_DISABLED, |
267 | }, | |
268 | { | |
269 | .id = ZC0301_V4L2_CID_DAC_MAGNITUDE, | |
270 | .type = V4L2_CTRL_TYPE_INTEGER, | |
271 | .name = "DAC magnitude", | |
272 | .minimum = 0x00, | |
273 | .maximum = 0xff, | |
274 | .step = 0x01, | |
275 | .default_value = 0x00, | |
276 | .flags = V4L2_CTRL_FLAG_DISABLED, | |
60f78052 LR |
277 | }, |
278 | { | |
279 | .id = V4L2_CID_RED_BALANCE, | |
280 | .type = V4L2_CTRL_TYPE_INTEGER, | |
281 | .name = "red balance", | |
282 | .minimum = 0x00, | |
283 | .maximum = 0x0f, | |
284 | .step = 0x01, | |
285 | .default_value = 0x01, | |
a8474239 | 286 | .flags = V4L2_CTRL_FLAG_DISABLED, |
60f78052 LR |
287 | }, |
288 | { | |
289 | .id = V4L2_CID_BLUE_BALANCE, | |
290 | .type = V4L2_CTRL_TYPE_INTEGER, | |
291 | .name = "blue balance", | |
292 | .minimum = 0x00, | |
293 | .maximum = 0x0f, | |
294 | .step = 0x01, | |
295 | .default_value = 0x05, | |
a8474239 | 296 | .flags = V4L2_CTRL_FLAG_DISABLED, |
60f78052 LR |
297 | }, |
298 | { | |
299 | .id = ZC0301_V4L2_CID_GREEN_BALANCE, | |
300 | .type = V4L2_CTRL_TYPE_INTEGER, | |
301 | .name = "green balance", | |
302 | .minimum = 0x00, | |
303 | .maximum = 0x0f, | |
304 | .step = 0x01, | |
305 | .default_value = 0x00, | |
a8474239 | 306 | .flags = V4L2_CTRL_FLAG_DISABLED, |
60f78052 LR |
307 | }, |
308 | }, | |
309 | .get_ctrl = &pas202bcb_get_ctrl, | |
310 | .set_ctrl = &pas202bcb_set_ctrl, | |
311 | .cropcap = { | |
312 | .bounds = { | |
313 | .left = 0, | |
314 | .top = 0, | |
315 | .width = 640, | |
316 | .height = 480, | |
317 | }, | |
318 | .defrect = { | |
319 | .left = 0, | |
320 | .top = 0, | |
321 | .width = 640, | |
322 | .height = 480, | |
323 | }, | |
324 | }, | |
325 | .pix_format = { | |
326 | .width = 640, | |
327 | .height = 480, | |
328 | .pixelformat = V4L2_PIX_FMT_JPEG, | |
9e47a52b | 329 | .priv = 8, |
4052fcc7 | 330 | .colorspace = V4L2_COLORSPACE_JPEG, |
60f78052 LR |
331 | }, |
332 | }; | |
333 | ||
334 | ||
335 | int zc0301_probe_pas202bcb(struct zc0301_device* cam) | |
336 | { | |
337 | int r0 = 0, r1 = 0, err = 0; | |
338 | unsigned int pid = 0; | |
339 | ||
340 | err += zc0301_write_reg(cam, 0x0000, 0x01); | |
341 | err += zc0301_write_reg(cam, 0x0010, 0x0e); | |
342 | err += zc0301_write_reg(cam, 0x0001, 0x01); | |
343 | err += zc0301_write_reg(cam, 0x0012, 0x03); | |
344 | err += zc0301_write_reg(cam, 0x0012, 0x01); | |
345 | err += zc0301_write_reg(cam, 0x008d, 0x08); | |
346 | ||
347 | msleep(10); | |
348 | ||
349 | r0 = zc0301_i2c_read(cam, 0x00, 1); | |
350 | r1 = zc0301_i2c_read(cam, 0x01, 1); | |
351 | ||
352 | if (r0 < 0 || r1 < 0 || err) | |
353 | return -EIO; | |
354 | ||
355 | pid = (r0 << 4) | ((r1 & 0xf0) >> 4); | |
356 | if (pid != 0x017) | |
357 | return -ENODEV; | |
358 | ||
359 | zc0301_attach_sensor(cam, &pas202bcb); | |
360 | ||
361 | return 0; | |
362 | } |